#1D5873#1D5873

#1D5873 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.5% C 0.074 H 232.1°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#1D5873
RGB	rgb(29, 88, 115)
HSL	hsl(199, 60%, 28%)
HSV	hsv(199, 75%, 45%)
CMYK	cmyk(74.8%, 23.5%, 0%, 54.9%)
CIE-LAB	lab(34.96, -9.17, -20.84)
CIE-LCH	lch(34.96, 22.77, 246.24°)
OKLab	oklab(43.53% -0.0456 -0.0585)
OKLCH	oklch(43.53% 0.074 232.1)
XYZ	xyz(7.0897, 8.4777, 17.4790)
Luminance	0.0848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5873 #73381D

analogous

#1D7363 #1D5873 #1D2D73

triadic

#1D5873 #731D58 #58731D

tetradic

#1D5873 #631D73 #73381D #2D731D

square

#1D5873 #631D73 #73381D #2D731D

split-complementary

#1D5873 #731D2D #73631D

monochromatic

#061318 #113342 #1D5873 #297DA4 #3CA0CE

Accessibility & contrast

On white

7.79

#1D5873 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1D5873 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5873

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5873	#FFFFFF	#000000	##FFFFFF
##1D5873	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5774

Deuteranopia (green-blind)

#3F4F73

Tritanopia (blue-blind)

#005F61

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1d5873;
/* rgb */ color: rgb(29, 88, 115);
/* oklch */ color: oklch(43.5% 0.074 232.1);

Tailwind

colors: {
  custom: {
    50: '#66879b',
    500: '#1d5873',
    950: '#000000',
  },
}

SCSS

$custom: #1d5873;
$custom-light: #66879b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5873",
  "rgb": {
    "r": 29,
    "g": 88,
    "b": 115
  },
  "hsl": {
    "h": 198.837,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.4353,
    "c": 0.07423,
    "h": 232.1
  },
  "luminance": 0.08478
}

Semantic roles & 50–950 ramp

primary

#1D5873

secondary

#A76445

accent

#7745E3

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #1D5873

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →